Click on the third or sixth rank to set the en passant target square.

EGTB: win in 4 half-moves

# move score
1 Rb6 win in 3 half-moves
2 Rb5 draw
3 Rb7 draw
4 Rb8 draw
5 Rc1 draw
6 Rd1 draw
7 Re1 draw
8 Rg1 draw
9 Ka4 loss in 2 half-moves
10 Ka6 loss in 2 half-moves
11 Kab4 loss in 2 half-moves
12 Kab5 loss in 2 half-moves
13 Kab6 loss in 2 half-moves
14 Kc4 loss in 2 half-moves
15 Kc6 loss in 2 half-moves
16 Kcb4 loss in 2 half-moves
17 Kcb5 loss in 2 half-moves
18 Kcb6 loss in 2 half-moves
19 Kd4 loss in 2 half-moves
20 Kd5 loss in 2 half-moves
21 Kd6 loss in 2 half-moves
22 Ra1 loss in 2 half-moves
23 Rb2 loss in 2 half-moves
24 Rb3 loss in 2 half-moves
25 Rb4 loss in 2 half-moves
26 Rf1 loss in 2 half-moves
27 Rh1 loss in 2 half-moves